EFFECT FROM THE ACADEMIC YEAR 2013 - 2014

AE 455

COMPUTER SIMULATION OF IC ENGINES

(Elective-II)

Instruction                                              4              Periods per week

Duration of University Examination      3              Hours

University Examination                          75            Marks

Sessional                                                 25            Marks

UNIT-I

Computer Simulation and Thermodynamics of Combustion:

Introduction, Heat of reaction, complete combustion in C/H/O/N Systems, Constant volume adiabatic combustion, constant pressure adiabatic combustion. Calculation of adiabatic flame temperature.

UNIT-II

Si Engine Simulation With Fuel-Air as Working Medium: Deviation between actual and air standard cycles of operation- problems, SI engine simulation with adiabatic constant volume combustion with fuel and air being considered, calculation of temperature drop due to fuel vaporization, calculation of mean effective pressure, torque and thermal efficiency at full throttle, part throttle and supercharged conditions.

UNIT-III

Actual Cycle Simulation in Si Engines: Progressive combustion; gas exchange process, heat transfer process, friction. Procedure of validating computer code with experimental data based on performance parameters and pressure crank angle diagram.

UNIT-IV

Simulation of 2-Stroke SI Engine: Simulation of the process, determination of the pressure-crank angle variation, computation of performance parameters.

UNIT-V

Diesel Engine Simulation: Main difference between SI and CI engine simulation, differences between ideal and actual cycles, mathematical combustion model for diesel engine, heat transfer and gas exchange processes.

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